3047721601 has 4 divisors (see below), whose sum is σ = 3050500932. Its totient is φ = 3044942272.

The previous prime is 3047721583. The next prime is 3047721617. The reversal of 3047721601 is 1061277403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 777294400 + 2270427201 = 27880^2 + 47649^2 .

It is a cyclic number.

It is not a de Polignac number, because 3047721601 - 2¹⁷ = 3047590529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3047721671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388020 + ... + 1390213.

It is an arithmetic number, because the mean of its divisors is an integer number (762625233).

Almost surely, 2^3047721601 is an apocalyptic number.

It is an amenable number.

3047721601 is a deficient number, since it is larger than the sum of its proper divisors (2779331).

3047721601 is a wasteful number, since it uses less digits than its factorization.

3047721601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779330.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 3047721601 is about 55206.1735768745. The cubic root of 3047721601 is about 1449.8567596909.

The spelling of 3047721601 in words is "three billion, forty-seven million, seven hundred twenty-one thousand, six hundred one".